: Ensure the USB is FAT32 and the file is in the root directory. Try a different USB drive.
: Place the extracted .bin file directly onto the root directory of your USB drive (don't put it in a folder). Download RD8503 1280x1024 rar
: Plug in the power. The indicator LED on the IR receiver should start flashing (usually red and blue). This indicates the update is in progress. Wait : Ensure the USB is FAT32 and the
: while the LED is flashing. Once the flashing stops or stays a solid color, the process is complete. the process is complete.